Required for Collector
Recon the roof of the first office building on Lighthouse
Recon the roof of the second office building on Lighthouse
Recon the roof of the third office building on Lighthouse
Survive and extract from the location
How to complete the quest?
You need to visit three buildings' roofs with number signs. If you don't want to meet Rogues and kill them, try to wait till other people clean the place.
Three rooftops to visit
Find hangars on the map